cmake_minimum_required(VERSION 3.22)

project(kge LANGUAGES CXX)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

find_package(SDL2 REQUIRED)
find_package(OpenGL REQUIRED)
find_package(Freetype REQUIRED)

add_compile_options("-Wall" "-Wextra" "-Werror")
add_definitions(-DIMGUI_ENABLE_FREETYPE)

add_library(imgui STATIC
        # Main Imgui files
        ext/imgui/imgui.cpp
        ext/imgui/imgui.h
        ext/imgui/imgui_draw.cpp
        ext/imgui/imgui_tables.cpp
        ext/imgui/imgui_widgets.cpp
        ext/imgui/imgui_demo.cpp

        ext/imgui/backends/imgui_impl_sdl2.cpp
        ext/imgui/backends/imgui_impl_sdl2.h
        ext/imgui/backends/imgui_impl_opengl3.cpp
        ext/imgui/backends/imgui_impl_opengl3.h

        ext/imgui/misc/freetype/imgui_freetype.cpp
        ext/imgui/misc/freetype/imgui_freetype.h)
add_library(imgui::imgui ALIAS imgui)
target_link_libraries(imgui
        PUBLIC
        OpenGL::GL
        $<TARGET_NAME_IF_EXISTS:SDL2::SDL2main>
        $<IF:$<TARGET_EXISTS:SDL2::SDL2>,SDL2::SDL2,SDL2::SDL2-static>
        Freetype::Freetype)
target_include_directories(imgui PUBLIC
        ext/imgui/
        ext/imgui/backends/
        ext/imgui/misc/freetype
        ${FREETYPE_INCLUDE_DIRS})

include_directories(ext/ ${SDL2_INCLUDE_DIRS})

add_executable(kge
        kge.cc
		)
target_link_libraries(kge imgui)